Transport and trapping in two-dimensional nanoscale plasmonic optical lattice.
basic_science · Level V
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- Record sourced from PubMed, PMID 23930914.
- Also identified by DOI 10.1021/nl4016254.
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Abstract
We report the transport and trapping behavior of 100 and 500 nm diameter nanospheres in a plasmon-enhanced two-dimensional optical lattice. An optical potential is created by a two-dimensional square lattice of gold nanostructures, illuminated by a Gaussian beam to excite plasmon resonance. The nanoparticles can be guided, trapped, and arranged using this optical potential. Stacking of 500 nm nanospheres into a predominantly hexagonal closed pack crystalline structure under such a potential is also reported.